Once you've selected a heating and cooling contractor, you need to know what to expect when your dealer arrives at your home to service your HVAC system. You've likely called them because you're looking to make improvements to your home, or you're unfortunately dealing with a malfunctioning system. Regardless of the situation, you should be armed with the proper information and resources to make the most of your time together. Follow these four steps to make sure you're ready when your dealer arrives: